Research Article
An Efficient Geolocation Method for Malicious LBSD Users Based on Dynamic Adjustment of Probes
Table1
Typical social platforms with LBSD service.
| Social platforms | Number of active users (millions) | Distance | Minimum reported distance | Random noise | Restriction |
| WeChat | 1241.6 | √ | 100 m | √ | Time/range/frequency | QQ | 606.4 | √ | 100 m | √ | Time/range | Telegram | 500 | √ | 1 m | √ | Time/range | Line | 220 | √ | 100 m | √ | Range/time | Momo | 115.5 | √ | 10 m | √ | No | TanTan | 26 | √ | 100 m | √ | Range | Skout | 10 | √ | 0.5mile | √ | No | Grindr | 8 | × | N/A | × | Range | SayHi | N/A | √ | 10 m | × | Range |
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